<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>404</title>
</head>
<body>
    <div class="content">
        <center class="padded prepend-top-20">
            <img class="image_error" style = "margin-top: 20px;height: 100%;" src="/back/images/404.png" />
            <hr>
            <h3>你所访问的页面不存在！</h3>
        </center>
    </div>
</body>
</html>